John Tapp July 11, 2019 Flashback, Memorabilia, Racing History THERE’S ONLY ONE CORRECT HOPPLE LENGTH John Tapp July 11, 2019 Flashback, Memorabilia, Racing History This week’s Friday Flashback shows a pacer called Pick On (Percy Hall) winning a qualifying division of the 1952 Inter Dominion Championship at Harold Park. Note the “snug” hopple length on a horse who stood close to 17 hands.